2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $100,000 $200,000 $300,000 $400,000 $500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $179,570 | 24,721 | 24,721 |
| 2006 | $154,452 | 15,500 | 15,500 |
| 2007 | $105,309 | 8,465 | 8,465 |
| 2008 | $114,330 | 9,533 | 9,533 |
| 2009 | $164,592 | 15,502 | 15,502 |
| 2010 | $252,600 | 18,159 | 18,159 |
| 2011 | $425,161 | 24,393 | 24,393 |
Note: Quantity represents Weight in kilograms
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